
A Member of
Katherine Ann Thyssen, DO
Internal Medicine - Geriatric Medicine
Specialties & Expertise
- Specialties
- Internal Medicine - Geriatric Medicine
- Areas of Expertise
- Geriatric Medicine
- Internal Medicine
Affiliated Groups
- A Member of Renown Medical Group
Locations
Meet the Provider

Education
- Medical School
- Rocky Vista University College
- Mayo Clinic College of Medicine and Science
- MercyOne Des Moines Medical Center
Languages Spoken
- English
Board Certifications
- American Board of Internal Medicine
Ratings & Reviews
Dr. Thyssen is the best doctor. Very caring and takes her time.
Dr Thyssen has excellent bedside manner and that makes me very comfortable with her. She takes her time to go to details with me. I always recommend this doctor to whoever I know.
My Dr. makes me feel more and more comfortable and it makes me feel like I can open up to her without being afraid to ask. I usually keep things to myself so it is hard for me to open up, I don’t like feeling like I complaining about minimal [ ]. Dr. Thyssen is easy to talk too!
I couldn't schedule app with Renown main number. Left Dr Thyssen a message on MYchart and she called me back and squeezed me in for visit. Very appreciated!
Dr. Thyssen is extremely professional, proficient and personable. She is intelligent, knowledgeable and explains the situation completely and with concern. Her expertise is highly valued. She is caring and supportive. I have recommended her to many friends, family and acquaintances. Her staff, including Emily, Sydney, Greg, provides excellent service as they perform their duties. The facility is beautiful, spacious and decorated nicely.
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